Adjective iridescent has 2 senses
- changeable, chatoyant, iridescent, shot - varying in color when seen in different lights or from different angles; "changeable taffeta"; "chatoyant (or shot) silk"; "a dragonfly hovered, vibrating and iridescent"
Antonyms: colorless, colourless (indirect, via colorful)
- iridescent, nacreous, opalescent, opaline, pearlescent - having a play of lustrous rainbow-like colors; "an iridescent oil slick"; "nacreous (or pearlescent) clouds looking like mother-of-pearl"; "a milky opalescent (or opaline) luster"
Antonym: dull (indirect, via bright)
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